enable tun/tap/iptables

hc

2024-05-10 ee930fffee469d076998274a2ca55e13dc1efb67

 kernel/drivers/misc/cxl/context.c
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@@ -1,10 +1,6 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * Copyright 2014 IBM Corp.
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- *
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- * This program is free software; you can redistribute it and/or
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- * modify it under the terms of the GNU General Public License
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- * as published by the Free Software Foundation; either version
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- * 2 of the License, or (at your option) any later version.
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  */
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 #include <linux/module.h>
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@@ -356,7 +352,7 @@
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 void cxl_context_mm_count_get(struct cxl_context *ctx)
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 {
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 	if (ctx->mm)
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-		atomic_inc(&ctx->mm->mm_count);
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+		mmgrab(ctx->mm);
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 }
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 void cxl_context_mm_count_put(struct cxl_context *ctx)